7. Any clinically significant abnormalities in rhythm, conduction or morphology of the resting electrocardiogram (ECG) and any clinically significant abnormalities in the 12-lead ECG, as considered by the investigator that may interfere with the interpretation of QTc (QT [ECG interval measured from the onset of the QRS complex to the end of the T wave] interval corrected for heart rate) interval changes, including abnormal ST-T-wave morphology, particularly in the protocol defined primary lead or left ventricular hypertrophy, at screening.